Home / 1,532,645.12-2,115,050.91-888,438.98

Finding the Fourth Proportional to 1,532,645.12, 2,115,050.91 and 888,438.98

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Solution

The fourth proportional to 1,532,645.12, 2,115,050.91 and 888,438.98 is: 1,226,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,645.12 : 2,115,050.91 = 888,438.98 : x
  2. Step 2: Convert to fraction form
    1,532,645.12/2,115,050.91 = 888,438.98/x
  3. Step 3: Cross multiply
    1,532,645.12x = 2,115,050.91 × 888,438.98
  4. Step 4: Simplify right side
    1,532,645.12x = 1,879,093,673,128.47
  5. Step 5: Solve for x
    x = 1,879,093,673,128.47/1,532,645.12
  6. Step 6: Final answer
    x = 1,226,046.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.